Is my bill was $20 what should I leave as a tip

A chef uses 3 3/4 pounds of semolina flour and 1 5/8 pound whole wheat flour for each batch of pasta she makes. one week she uses a total of 86 pounds of flour how many batches does she make a week

What is the answer to 2a X 3a =

What expression represents the phrase the cost of a pounds of apples at $1.69 per pound

Carla purchased a hat for $12, a purse for $26, and a dress for $125. The sales tax rate was 5.6 percent. What was the total amount she paid? $153.87

A grocery store sells almonds for $7/1b and peanuts for $5/lb. Let x represent the number of pounds of almonds, and let y represents the number of pounds of peanuts.

Solve the system by substitution. -8x - y = 30 -2y = x

Mary owns a small business. She spent $4,500 to get the business started. She has noticed that her monthly operating costs have been consistent. After five months, she has spent a total of $5,250 in start-up costs and monthly operating costs.

Steve's savings account has a balance of $1287. After 4 years, what will the amount of interest be at 6% compounded semiannually?

A cake recipe calls for 559 grams of flour. about how many pounds of flour do you need? Using conversion factors.

Emma kept track of the number of puzzles solved during the past 10 days. She realized that she didn't solve any puzzles in the last 2 days. She graphed the data using a line plot.